Analysis and Improvement on a Contributory Group Key Exchange Protocol Based on the Diffie-Hellman Technique.

Yuh-Min Tseng Tsu-Yang Wu Analysis and Improvement on a Contributory Group Key Exchange Protocol Based on the Diffie-Hellman Technique. 247-258 2010 21 Informatica, Lith. Acad. Sci. 2 http://iospress.metapress.com/content/f187q3075372v3p1/ db/journals/informaticaLT/informaticaLT21.html#TsengW10